Nutricraft® cookware is engineered and constructed of the finest quality materials in the industry by one of the world's largest and most respected manufacturers creating the high-quality USA made cookware since 1874. It combines 316Ti, Titanium surgical stainless steel 5-Ply full-body construction and engineered moisture seal for waterless cooking, a try vent whistle, and some of the heaviest cover steel available to create a complete cooking system. This is not just another set of pots and pans. Nutricraft® cookware provides excellent heat conduction, a non-reactive surface that will not leach metals or chemicals into your food, and a minimum moisture method of preparation. This state-of-the-art cooking system ensures highly nutritious food that is flavourful and tender. In addition to maximizing time, saving money, and providing peace of mind, this high-quality cookware has a 50-year transferable warranty.